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ReplayR
Instant replay camera for coaches
Google Play iOS coming soon
Use case · Updated

ReplayR for basketball shooting coaches

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TL;DR. A jump shot is over in about a second; a possession in 20 to 30. Put the phone on a baseline tripod, run a 12 to 15 second buffer for form shooting or 35 seconds for possessions, and save from your watch as the ball drops. The rep replays in slow motion during the drill rotation, catch, rise, release, follow-through, while the shooter still remembers what it felt like. Everything stays on the phone: no account, no cloud, no questions about where footage of a school team ends up.

The gym problem

Shots come in bunches

A shooting workout is 200 to 400 reps. Nobody films that with a record button, and full-session recording gives you an hour of footage for maybe ten shots worth discussing. The rolling buffer inverts it: every rep is captured, only the flagged ones survive.

Release faults hide at full speed

Thumb flicks, drifting elbows, late guide-hand separation: invisible at game speed, obvious at 0.25×. The correction lands best inside the same drill block, not in a film room two days later.

School teams and cloud video

Cloud platforms are built for teams with budgets and signed media waivers. A skills coach filming a 14-year-old's shot needs neither: on-device capture, deliberate sharing, nothing stored anywhere by default.

Setup that works

Baseline corner for form work

Tripod at the baseline corner, chest height, angled up the lane. Shows the full shot: footwork into the catch, dip, rise, release angle, follow-through. Our camera placement planner gives exact distances; a half court fits from about 11 metres with the main lens.

Elevated sideline for possessions

A few rows up the bleachers at half court, landscape, whole half in frame. This is the angle for reads: did the shooter relocate, was the extra pass on, why did the corner stay empty. 35 second buffer covers the possession plus the transition that created it.

Save on the make, or the miss

Watch tap as the ball drops. Save form-breakdown misses and the makes that looked different; skip the routine middle. The success rate tracker pairs well here: drills sitting in the 30 to 50 percent zone deserve video review every session.

Review inside the rotation

Water break: hand the phone over, 0.5× for rhythm and footwork, 0.25× for the release. One cue, back to the line. A 90 minute workout ends with 15 saved clips per player, each 12 seconds long, instead of a full-session file nobody will open.

Game and rules background: Basketball, Wikipedia. Last verified 2026-07-19.

Why not a generic camera app

A stock camera can film practice; it cannot pick out the rep that mattered while you keep coaching. Start-stop recording makes the coach a camera operator, full-session recording makes the evening a scrubbing session, and neither has a wrist trigger. The rolling buffer plus watch save is the difference between "we film sometimes" and video feedback on every session without losing a minute of court time.

FAQ

What buffer length works for basketball training?

For pure shooting form work, 12 to 15 seconds per shot: catch, footwork, rise, release, result. For possessions and small-sided games, 35 seconds covers the play plus the build-up. Full scrimmage runs fit a 90 second or 3 minute Pro buffer, saved at each dead ball.

Where do I put the phone in a gym without blocking play?

Baseline corner on a tripod, chest height, angled up the lane for release mechanics; or half-court sideline, elevated on bleachers, for possessions. Keep it off the playing floor and out of rebound paths. Stealth mode keeps the screen black so players stop noticing it after five minutes.

Can players review their own shot between drills?

Yes. Save from a Wear OS watch as the shot drops, then hand the phone over during the water break: 0.5x for footwork and rhythm, 0.25x for the release and follow-through. The clip is ready in about half a second after the save, so review fits inside the drill rotation, not after practice.

Does footage of my youth team go to any cloud?

No. ReplayR keeps everything on the phone: no account, no upload, no third-party processing. For school and club teams with minors, that removes the consent and data-storage questions that come with cloud video platforms. You choose what to share, clip by clip.

Related

Show the shot before the next rep.